// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_TOOLS_QUIC_QUIC_DEFAULT_PACKET_WRITER_H_
#define NET_TOOLS_QUIC_QUIC_DEFAULT_PACKET_WRITER_H_

#include <stddef.h>

#include "base/macros.h"
#include "net/base/ip_endpoint.h"
#include "net/quic/quic_packet_writer.h"

namespace net {

struct WriteResult;

// Default packet writer which wraps QuicSocketUtils WritePacket.
class QuicDefaultPacketWriter : public QuicPacketWriter {
public:
    explicit QuicDefaultPacketWriter(int fd);
    ~QuicDefaultPacketWriter() override;

    // QuicPacketWriter
    WriteResult WritePacket(const char* buffer,
        size_t buf_len,
        const IPAddress& self_address,
        const IPEndPoint& peer_address,
        PerPacketOptions* options) override;
    bool IsWriteBlockedDataBuffered() const override;
    bool IsWriteBlocked() const override;
    void SetWritable() override;
    QuicByteCount GetMaxPacketSize(const IPEndPoint& peer_address) const override;

    void set_fd(int fd) { fd_ = fd; }

protected:
    void set_write_blocked(bool is_blocked) { write_blocked_ = is_blocked; }
    int fd() { return fd_; }

private:
    int fd_;
    bool write_blocked_;

    DISALLOW_COPY_AND_ASSIGN(QuicDefaultPacketWriter);
};

} // namespace net

#endif // NET_TOOLS_QUIC_QUIC_DEFAULT_PACKET_WRITER_H_
